Home / 23,127-31,915.26-12,516.71

Finding the Fourth Proportional to 23,127, 31,915.26 and 12,516.71

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Solution

The fourth proportional to 23,127, 31,915.26 and 12,516.71 is: 17,273.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,127 : 31,915.26 = 12,516.71 : x
  2. Step 2: Convert to fraction form
    23,127/31,915.26 = 12,516.71/x
  3. Step 3: Cross multiply
    23,127x = 31,915.26 × 12,516.71
  4. Step 4: Simplify right side
    23,127x = 399,474,053.99
  5. Step 5: Solve for x
    x = 399,474,053.99/23,127
  6. Step 6: Final answer
    x = 17,273.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.